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So I'm finally making the move to supplemented CO2, had a few generators and a Titan controller sitting around for a long time collecting dust and I figure it's about time I give her a rip. Now while doing research, I read a few times about CO2 possibly having a bad effect on resin production...

Hey guys I have been growing DWC for a long long time and I've jumped into vertical flooded tube but at least half the plants I put in look to be failing after 2 days and I can't figure out why. They all went in healthy, they're all Afgoo, the water tested at even higher DO than the DWC setup...

Hey there fellas! I know I been ghost for a while working on the commercial facility in WA but I promise when I find time to get on here I'll have some real dope pictures and such to share with y'all. Now, in the meantime, I've been tasked with strain acquisition. We aim to have the most varied...

Hey y'all, We are looking at the possibility of buying straight-up bud from producers instead of just trim, because the trim prices are pretty high right now. My question is, what is the efficacy of doing, say, a coconut oil extraction in terms of what % of the THC is extracted from the bud...

Heya fellas haven't been on here forever because I've been busy working on this particular setup. I thought I would draw some input from you guys. We are working with the mechanical engineer on the HVAC setup, and what we're finding is that spider mites and other such pests can be filtered out...

Hello all, I was going to post a grow journal but I got a little paranoid, this was a personal project and fell in a gray area. Please don't make the mistake of mimicking me, I did end up with a plentiful harvest but I would not do things this way again given any choice. The workload was...

This is a hypothetical thread regardig smell elimination, specifically eliminating the odor compounds that allow canines to smell packages in transit via mail. Hypothetically, let's say someone in a low value per pound area decided to ship product on a consistent Bahia to a high value per...

Most of our ducks are in order, but we will be using a closed system, something I'm not too familiar with. We're using the closed system because I have had very frustrating experiences fighting high-humidity conditions. We are looking at spaces which are potentially 4,000/+ square feet, with...

usually just keep a healthy open exchange in my room, but humidity this year is absolutely off-the-charts ridiculous. Recently we've been suffering humidity consistently over 80% and often enough over 90%, and I'm a week from harvest. Humidity in the room is only so much better. I have tried...

I have one gigantic plant in a DWC, all the plants around it are doing excellent but this one, the bottom parts (it's all side lighting so not due to low light) are drooping hard core, it actually looks like a plant does when the DWC bucket is empty and it begins to die. There are a ton of...

I'm having an issue with rust-colored roots in one DWC bin, also basically entire interior of the one bin is rusty looking. I'm not using any hydroton, so that can't be it, and I have 30 other bins going with almost exactly the same pH and EC with no problems.

I'm considering a possibility for my next grow that I want to ensure is actually a possibility. I would use waste pipe to suspend the plants up to ten feet horizontally, the waste pipe would be filled with hydroton and a reservoir bin at the end of each line would be heavily aerated. My question...

So if my subject didn't explain enough, my ppm levels in the DWC buckets are in the area of 800-1,000 ppm (AK-48, so very heavy feeders), and I used the Strong Grow Blend of the FloraDuo formula (75% FloraDuo A). I have no ability to drain as it's in a ScrOG, and now I need to switch them to...

Hey hey, man it has been an age and a half since I posted on my beloved boards... I miss this, my life has been super busy and for that reason and no other have I left you all. So alright, I bought a crapload of these airstones off Amazon, small joints because the bins I was aerating aren't...

A basement I'm trying to set up is musty as FUCK and stays at about 75% humidity. I'm going to have a charcoal filter running, will that drop the humidity significantly? Would a $200 humidifier do the job? This is fine for veg but I need to know this can be dealt with to be able to set up shop here.

So I'm doing a 360 degree ScrOG box once my current grow is all harvested; I wasn't sure what to call it, because I don't think that anyone has quite done this before. This is a plan I've been developing and changing for some three years, but I need help from my RIU friends to change it from...

I wrote this as a hurried how-to before breakfast, because I keep getting messages about it so now I can just forward people to here, right? I know my shit when it comes to cooking, and there's a lot about my top-secret methods I can't share here but all the basics I will allow to go to my RIU...

I have a brand new 1000W MH/HPS ballast, and I have never used a MH in my house but I did use one elsewhere before. Well, I'm all fucked up right now because the ENTIRE ROOM next to my grow stinks of like nasty ass chemicals because I have that one single ballast running in it, and we are...

So I had some serious heat issues with my 1000W light, so I put in a nice little A/C to take care of those. It's working terrifically, however NOW my issue is that the A/C seems to be DESTROYING my humidity levels whenever it turns on, bringing them down by 15% even with my likkl humidifier...

So I have a 1000W MH/HPS set up in this closet, I was using CFL's for the seedlings and now I've transplanted many of them to the DWC setup, but the heating issues are WAY worse than I had expected. Here's the (very) basic layout of the room =========WINDOW======== = L...